| Royal Green Jackets | |
|---|---|
 Royal Green Jackets cap badge | |
| Active | 1 January 1966 – 1 February 2007 |
| Allegiance |  United Kingdom |
| Branch |  British Army |
| Type | Rifles |
| Role | Light Infantry |
| Size | 5 battalions |
| Part of | Light Division |
| Garrison/HQ | 1st Battalion – Weeton 2nd Battalion – Bulford |
| Nickname(s) | "The Black Mafia" |
| Motto(s) | Celer et Audax (Latin: Swift and Bold) |
| March | Quick – Huntsman's Chorus/Italian Song Double Pass – The Road to the Isles |
| Anniversaries | Waterloo (18 June) |
| Commanders | |
| Last Colonel-in-Chief | Queen Elizabeth II |
| Last Colonel Commandant | Lieutenant General Nick Parker |
The Royal Green Jackets (RGJ) was an infantry regiment of the British Army, one of two "large regiments" within the Light Division (the other being The Light Infantry).